EXCITED prospect some new gadget engine prop youre like easily stirred prospect some new product can use flying building Over last few years weve very lucky favorite CL event have lot dedicated people de velop market variety items help us enjoy sport So time time Ill devote some space column new products just Ted Fancher did over last few years just received letter Tom Dixon already aware has amassed exten sive line engines Bolly props plans ad dition working new owner Merco Engines some new Stunt power plants Tom developing line Nostalgia kits First line Black Tiger Bob Elliott design won 1953 Nats Several kits under construction well revisit area re view after see fly Other kits works 52 Nobler pro totype Skylark second Thunderbird pos sibly Ruffy Im sure production kits will meet Toms high standards Contact Tom 1938 Peachtree Suite 401 Atlanta GA 30309 price availability Sooner later have fly alone just get last flight dictates need mechanical launching device stooge Over years Ive quite few Some have worked well others have its some time since have market Bob Baron noted lack producing very sophisticated stooge has developed over last few years self-contained does require anchoring ground tool box base black oxide-coated steel layered bottom neoprene rubber resist slip ping release mechanism pivots accommo date tail hooks various heights Overall its well-engineered item well made should last lifetime however its cheap Beore carrying discussion begun last month about observing learning experts essential point Id like make extract absolute best performance airplane must capable ofand willing makechanges virtually gredient combination Because worked perfectly home no guarantee setup will work next new flying site Personally Ive found very difficult battle hurdle acquiring willingness change short notice under pressure competition However once have acquir ed capability assembling variety yen turis head gaskets different props selection wing tip weights etc have found through experimentation what adjust ments become another weapon bag Aerobatics its whats up front counts Power reliability right characteris tics whatever may beits up absolutely keys top performance So fly ing site good place begin pro cess getting things sorted out arrive Ill assume everything ballpark before left home brought equipment Youd better cause famed Murphy Laws alive well Stunt May 1990 63 Control Line Aerobatics Frank McMiIIan 12106 Gunter Gmve SanAntonio T 78231 stooge what CL flier uses hold launch plane hes flying alone Most tend pretty crudebut production model Bob Baron Weighing 16 lb sized hold largest 60-powered ships Both its design machine work excellent Bill Suarez did superb job flying ST 60-powered Epoch team trials Indy Californias Bob Whitely Bel-Air de sign 1989 US FAI team trials Power Tom Lay-modified ST 60 smooth flier Just motor racing kind PrecisionContinued page 176 Trio Stunt winners 1989 Japanese Nats has familiar-looking figure middle Kaz Minato job Honda US lets him compete meets NEW BY POPULAR REQUEST LARGE SCALE ENGINE CYLINDERS 4 WRIGHT WHIRLWIND Molded high-impact styrene dummy cylinders feature deep cooling fins utmost realism Both Wasp Whirlwind types cylinders available two different large scales1/5th 2 4th 3 ts include assembly instructions Smaller sizes also offered Note units may modified resemble other cylinder types Send $3 full-color catalog featuring aircraft paintings suitable tor framing WILLIAMS BROTHERS INC DEPT MA - 181 PAWNEE STREET JILLIL~SAN MARCOS CALIFORNIA 92069 Platt reviewed changes new rule book included change CL based original proposal passed Scale Contest Board Regardless error made now have rule could lose contestant 395 points off total score used declared components listed declaration both old new versions Rule 46 depend honesty contestants new rute does provide judges some guide lines tt would appear burden proof would contestant item might questioned couple rules changes t986-87 rules change cycle missed being put t988-89 rule book also missed 1990-91 book follows total score Precision Scale event should 665 points CL Sport Scale Para 42a should state three-view drawing can up maximum size 24 x 36 CL Sport Scale rule 55 should have new paragraph marked f paragraph indicates parts will fly modet cannot added during static judging ie display ordinance ground wheel chocks boarding steps etc Exact wording changes can found page 120 May 88 issue MA AMA Technical Director Bob Underwood aware omissions working toward official publication changes Editors note Unknowt Bill Boss time wrote column Scale items published April 90 edition tite Competition News letter page 134 -RMcM Before leaving discussion rittes would like thank members Scoresheet Com mittee cooperation job well done Committee members Chartie Bauer Mike Welshans Bill Rammage Gerry De neau started whole thing sending scoresheet idea use cotumn pleasure coordinating correspondence being able put two cents worth Thanks again Workshop hints month continue trip through hardware store Bob Furr visit Lumber Nuts Bolts depart ments Lumber DepartmentWing leading edge stock can found Just look quarterround moldings come number sizes smaller sizes add little weight give sig nificant increase strength incorporated D-tube-structured wing Some stores will have outside corner molding shaped like hol lowed leading edge stock Dowet rods sizes / /2 also generally found lumber departments thinner dowels make outstanding reinforcement leading trailing edges heavier dowels can used repairs interplane struts bi planes tail skids assortment other ap plications. Nuts Bolts Screws DepartmentA good hardware store will generalty have variety odd-size nuts bolts screws ex ample Cox 049s use 5-40 bolts retain prop tf have ever bent know hard find replacement hobby shop Without too much looking should able locate 5-40 pan head bolts other commonly used sizes such 4-40 6-32 nuts bolts hardware stores sizes nuts bolts use may found hardware stores should use some caution selection quality some nuts bolts offered generat house hold use may high what available through hobby shop Something past Have ever won dered could get hands plans Kyosho Eureka Scale kits early Sixties Well appears can get plans some old models can obtain plans futl sets tem plates newly formed canopies gun blisters newly produced spring tanding gear wheels similar included originat kits semikits include B-29 B-36 C-46 Commando C-69 Constellation C-124 Otobemaster being provided John Mur phy 29 Cheryl Dr Allenstown NH 03275 tf youre interested Scale models write John details Hell glad supply listing semikits cost Please send comments contest activity reports especially photos CL Scale activity address very top column CL Aerobatics/McMiIIan Continued page 63 Watch some good fliers know put up first practice flights right after arrive contest could see lot different reac tions just limit discussion welt deal few common problems Observe inside outside round loops tisten engine Its very possible weather little coolsay under 800 Fthe en gine may sound like its about lose fire flood 176 Model Aviation 0 RV-3 Deluxe Kit Need Only Join Wing Halves Install Tail Feathers Cover Complete Hardware Package inciuded 86 wingspan G-38 G-62 engine sizes 17-20 lbs weight range information cali write C PO Box 299 Gonzales Texas 78629 512 672-7023 ceIorto mtfraIfe Anderson Podccts tec Onis certdied checks money ordern accepted Minimom order $12262 three nackages 4 Powerpoles 15360 per package SI 50 stnppng handiingi CT residents add 75% saies tan Pricen nobject change adthout notice DEALER INOUIRIES INVITED ror tarthe information dealer csces send SASE Bosness Card SERMO R/C SNAP CONNECTORS7 Inc Cedar Corners Station Box 16787 Stamford CT 069051203 322-6294 XAFFORDABLE XRADIAL POWER THE MIKE GR6 120 2-CYCLE POWERPLANT 6 CYLINDER RADIAL 90DB QUIET! MEETS AMA GUIDELINES TWO YEAR WARRANTY 6 LIFETIME GUARANTEED K&B 20S * 1ELBSOFTHRUST * 25 BHP DYNO TESTED * NO VIBRATION III * SINGLE NEEDLE VALVE * S STAINLESS BALL BROS * IDLESAT1550RPM * OIL LUBRICATED GEARS * 3/8 HARDENED 55 SHAFT * FULLY FLIGHT TESTED * DIAMETER 8 TO PLUG TIPS * WEIGHT 4 LBS INCLUDING INTEGRAL MOUNT AND MUFFLER * SWINGS 1818 PROP @ 8000 RPM * EXCEEDS QUADRA 35 IN POWER AND ZENOAH G35 IN THRUST * GLOW FUEL USED1S% * GLOW PLUG LEADS INCLUDED * READY TO FLY NOT KITI DEALER INGUIRIES ~e INVITED'14 Om TECHNOLOGIES INC 7 Greenwood Lane ValSalla New YoA 15S9S 914 686-9373 PAT PENDING off stop remainder pattern looks OK possibly flier experiencing little unwanted acceleration some maneuvers Now flier knows hes got problem hell get airplane its back make several changes hes already running hot glow plug such Gb-Devil 300 hell probably pop head off engine add thicker gasket add shim existing lower compression ratio symptom severe hell probably slart 008-in shim expectation could take another 004 desired re sult just suppress symptom because decompressing also taking slight edge away overall power available Another flight two will settle out next thing might observe puzzled look fliers face signals power especially true home field close o sea level contest site significantly higher elevation Air temperature also affects power magnifies altitude factor brief list symptoms loss power would include loss crispness corners square maneuvers loss line tension flying above 450 elevation outer limits Square Eights can get lost power back Its question degree cure needed system atic approach will usually get home quickest first thing try going next largest size venturi Most fliers will normally using venturi bore 295 try 302-in see what does Usually will enough get back edge situation may dictate other moves have larger venturisay 308 might try changing fuel another option could go having high er nitro content using 5% nitro go 10% youre already 10% can go unless youve tried before dont works very well need have experi enced Finally another way extract power 15 gear engine get higher up its torque curve Using thinned-out version baseline prop will give subtle change Go ing less diameter lower pitch will also trick has just survey some ad justments available Yes can make ones just mentioned will get time way sequence events Ive outlined happened Nats Next month well get trimming plane existing conditions Tips Controlling weight future Nats winners never-ending struggle Weve fought battle ship weve built tough areas gets away us color coats finish top fliers have gone unusual methods keep weight down still get nice uniform color example Jimmy Casale Paul Walker use Aerogloss spray cans color because its light weight excellent cov erage Bob Baron still holds mixed media concept epoxy fuselage MonoKote wings However another trick both sim ple consistent normal dope finishing know weight color dope self heart problem true its amount dope rather unit weight must applied obtain nice color affects overall weight very easy way help problem thats add pigment dope make cover better What need acrylic lac quer toner appropriate color Start lit tle less ounce per pint thinned ready-I Washable ed Cap Sunglasses nip up/Down Adjust In/Out Snap On/Off Imprints Available Ultra Violet ProtectedI IPlease send _____________ caps Ive enclosedI I@ $795 plus $2 shipping handlingI ILens Colors U Amber U Smoke blueI Cap Colors U Black U White U Yellow Green U Navy blue U Royal blue Maroon UGrey URedI U Please send intormation about imprinting IIPLCA5E PRINtI II II II II stateZip ________ RETURN WITH CHECK OR MONEY ORDER ONLY TO PIN-NIK SALES RU Box 647 Ravenna OH 44266 L Name Addrtss City SQUARE CUT Tools __ 4073 254-0516 905 N Harbor C ty Blvd Melbourne FL 32935 Dmler/Dutribuer Inquiries Invited F 0 da Ret dents Add 6% Sales Toe can make Quiet. VIBRA-DAMP BEAMS VIBRA-DAMP ALUM TABS HUSH FOAM DISC-LOCKS Send $1 complete brochure order direct PERFORMANCE PRODUCTS UNLIMITED / 7093 E Dodge Rd Mt Morris MI 48458 313 631-4894 VISA/MO May 1990 177 INTRODUCTORY 849 SPECIAL $1695 LIST SEND 5100 TECHNICAL DATA TEST FLOWN IN 72 GM PLASTICS F4U CORSAIR 72 BOB DIVELYS SU-2 BIPLANE 68 PROCTOR NIEUPORT 28 BIPLANE 88 MONOCOUPE RCA yuu oto aj Suutii CUT Tools win sdve time nalliove stubborn die cuts cut own squares slots Made US quality machined nickel plated steel Order set today See Dealer Cataloger Order lit dent carry square Cut Tsols call ter call well pay tar uhippinQ tht US Canadal COO Entra to-spray dope Experiment may have crease amount get right coverage dont get too much additional onehalf ounce Shoot test panel check coverage youve got ballpark two passes spray gun will give nice solid color trying find minimum amount toner achieve solid coverage Just careful Too much toner will leave vulnerable adhesion problems Once get proportions down will consistent color will find pro cedure very easy use works well CL Racing/Ballard Continued page 64 box get wrench screwdriver may needed minor adjustment Larrys flight box generally contains two extra batteries extra set flying wires alcohol clean lines filter-equipped funnel refill ing flight fuel bottle Hot Stuff activator prop wrench least two starting gloves assorted wrenches battery connecting leads adding flying handle various props spare glow plugs very small light weight box can carried ease outer perimeter circle contains enough items allow either test flying full-bore competi tion occasion have seen large tackle boxes actually struck aircraft kicked pitmen dashing around circle service downed aircraft Contest activity Chris Peter sent some pho tos Southwestern Control Line Region als SWCL Tucson AZ January 20-21 1990 Junior Mouse Racers will course pilots future Bobby Fogg San Diego CA first time 529 Dan Gallego San Diego CA second 546 Andrew Viel San Diego CA third 553 will see Juniors 1990 Nats As always solicit comments ideas photos want pass other Racing enthusiasts read column Roger Road Tucson AZ 85705 T&M actu ally Ted Snow Mike Vee can reached 1-602/888-0146 aluminum magnesium mounts can drilled application Besides mounts T&M has superstrong belleranks other accessories impossible find Want interesting catalog Drop line Hobby Enterprises PO Box 784 Fruitland Park FL 34731 addition basic hobby supplies have reissues of vintage classic models plus some items havent market decades Larry Driskill has taken helm MACA Miniature Aircraft Combat Association RMcM newsletter Pete Plunkett did super job during stewardship newsletter moving level quality notches higher Like editors Larry will now faced empty spaces unless us write voice opinions offer suggestions advice keep rest Combat world current whats going own area Larry will also act MACA treasurer send $15 yearly dues 1990 membership Larry Driskill 4916 Chagar Ct Las Cruces NM 88005 Tucson Bob Burch offered lit tle advice making own fullcomplement bearings talked about back January 90 column main point shouldnt mix balls different manufac turers set races ex actly same diameter also mentioned standard practice insert less ball maximum can stuffed races Bob also checking Out Hills Arrowplane closely may switch Bosta wood currently fashionable foamies Bob lost couple kills Tucson meet because wood leading edge didnt snag opponents streamer showed several deep cuts leading edge would have sure kills made foam Although current models fly very well two factors being able increase wing area 100 sq adding weight leading-edge-kill capability considera tions can no longer ignore Dan Rutherford interesting article MACA newsletter about using stock Fox Mk VI parts instead costly often unavail able after-market goodies Properly set up stock parts perform very well long pay attention details like fit timing fuel/prop choice combination youve cho sen runContinued page 182 Eu Stock No DescriptionPriceOty j Amount -I--I zz1 ZZZIIIZZZZZZZIZZi HANDLING CHARGESub Totaluse Check wIth order or73A% Tax TN Only Credit Card order-HandlingI order TOTAL L Iblank COD Order Name Street Address CityStateZip~ call UJMasterCard LiVisa EIAmerExp Exp Date615 Card No flShip CODlilMy Check enclosed $I 178 Model Aviation CL Combat/Johnson Continued page 65 Name Street Address City State Zip
Edition: Model Aviation - 1990/05
Page Numbers: 63, 176, 177, 178
EXCITED prospect some new gadget engine prop youre like easily stirred prospect some new product can use flying building Over last few years weve very lucky favorite CL event have lot dedicated people de velop market variety items help us enjoy sport So time time Ill devote some space column new products just Ted Fancher did over last few years just received letter Tom Dixon already aware has amassed exten sive line engines Bolly props plans ad dition working new owner Merco Engines some new Stunt power plants Tom developing line Nostalgia kits First line Black Tiger Bob Elliott design won 1953 Nats Several kits under construction well revisit area re view after see fly Other kits works 52 Nobler pro totype Skylark second Thunderbird pos sibly Ruffy Im sure production kits will meet Toms high standards Contact Tom 1938 Peachtree Suite 401 Atlanta GA 30309 price availability Sooner later have fly alone just get last flight dictates need mechanical launching device stooge Over years Ive quite few Some have worked well others have its some time since have market Bob Baron noted lack producing very sophisticated stooge has developed over last few years self-contained does require anchoring ground tool box base black oxide-coated steel layered bottom neoprene rubber resist slip ping release mechanism pivots accommo date tail hooks various heights Overall its well-engineered item well made should last lifetime however its cheap Beore carrying discussion begun last month about observing learning experts essential point Id like make extract absolute best performance airplane must capable ofand willing makechanges virtually gredient combination Because worked perfectly home no guarantee setup will work next new flying site Personally Ive found very difficult battle hurdle acquiring willingness change short notice under pressure competition However once have acquir ed capability assembling variety yen turis head gaskets different props selection wing tip weights etc have found through experimentation what adjust ments become another weapon bag Aerobatics its whats up front counts Power reliability right characteris tics whatever may beits up absolutely keys top performance So fly ing site good place begin pro cess getting things sorted out arrive Ill assume everything ballpark before left home brought equipment Youd better cause famed Murphy Laws alive well Stunt May 1990 63 Control Line Aerobatics Frank McMiIIan 12106 Gunter Gmve SanAntonio T 78231 stooge what CL flier uses hold launch plane hes flying alone Most tend pretty crudebut production model Bob Baron Weighing 16 lb sized hold largest 60-powered ships Both its design machine work excellent Bill Suarez did superb job flying ST 60-powered Epoch team trials Indy Californias Bob Whitely Bel-Air de sign 1989 US FAI team trials Power Tom Lay-modified ST 60 smooth flier Just motor racing kind PrecisionContinued page 176 Trio Stunt winners 1989 Japanese Nats has familiar-looking figure middle Kaz Minato job Honda US lets him compete meets NEW BY POPULAR REQUEST LARGE SCALE ENGINE CYLINDERS 4 WRIGHT WHIRLWIND Molded high-impact styrene dummy cylinders feature deep cooling fins utmost realism Both Wasp Whirlwind types cylinders available two different large scales1/5th 2 4th 3 ts include assembly instructions Smaller sizes also offered Note units may modified resemble other cylinder types Send $3 full-color catalog featuring aircraft paintings suitable tor framing WILLIAMS BROTHERS INC DEPT MA - 181 PAWNEE STREET JILLIL~SAN MARCOS CALIFORNIA 92069 Platt reviewed changes new rule book included change CL based original proposal passed Scale Contest Board Regardless error made now have rule could lose contestant 395 points off total score used declared components listed declaration both old new versions Rule 46 depend honesty contestants new rute does provide judges some guide lines tt would appear burden proof would contestant item might questioned couple rules changes t986-87 rules change cycle missed being put t988-89 rule book also missed 1990-91 book follows total score Precision Scale event should 665 points CL Sport Scale Para 42a should state three-view drawing can up maximum size 24 x 36 CL Sport Scale rule 55 should have new paragraph marked f paragraph indicates parts will fly modet cannot added during static judging ie display ordinance ground wheel chocks boarding steps etc Exact wording changes can found page 120 May 88 issue MA AMA Technical Director Bob Underwood aware omissions working toward official publication changes Editors note Unknowt Bill Boss time wrote column Scale items published April 90 edition tite Competition News letter page 134 -RMcM Before leaving discussion rittes would like thank members Scoresheet Com mittee cooperation job well done Committee members Chartie Bauer Mike Welshans Bill Rammage Gerry De neau started whole thing sending scoresheet idea use cotumn pleasure coordinating correspondence being able put two cents worth Thanks again Workshop hints month continue trip through hardware store Bob Furr visit Lumber Nuts Bolts depart ments Lumber DepartmentWing leading edge stock can found Just look quarterround moldings come number sizes smaller sizes add little weight give sig nificant increase strength incorporated D-tube-structured wing Some stores will have outside corner molding shaped like hol lowed leading edge stock Dowet rods sizes / /2 also generally found lumber departments thinner dowels make outstanding reinforcement leading trailing edges heavier dowels can used repairs interplane struts bi planes tail skids assortment other ap plications. Nuts Bolts Screws DepartmentA good hardware store will generalty have variety odd-size nuts bolts screws ex ample Cox 049s use 5-40 bolts retain prop tf have ever bent know hard find replacement hobby shop Without too much looking should able locate 5-40 pan head bolts other commonly used sizes such 4-40 6-32 nuts bolts hardware stores sizes nuts bolts use may found hardware stores should use some caution selection quality some nuts bolts offered generat house hold use may high what available through hobby shop Something past Have ever won dered could get hands plans Kyosho Eureka Scale kits early Sixties Well appears can get plans some old models can obtain plans futl sets tem plates newly formed canopies gun blisters newly produced spring tanding gear wheels similar included originat kits semikits include B-29 B-36 C-46 Commando C-69 Constellation C-124 Otobemaster being provided John Mur phy 29 Cheryl Dr Allenstown NH 03275 tf youre interested Scale models write John details Hell glad supply listing semikits cost Please send comments contest activity reports especially photos CL Scale activity address very top column CL Aerobatics/McMiIIan Continued page 63 Watch some good fliers know put up first practice flights right after arrive contest could see lot different reac tions just limit discussion welt deal few common problems Observe inside outside round loops tisten engine Its very possible weather little coolsay under 800 Fthe en gine may sound like its about lose fire flood 176 Model Aviation 0 RV-3 Deluxe Kit Need Only Join Wing Halves Install Tail Feathers Cover Complete Hardware Package inciuded 86 wingspan G-38 G-62 engine sizes 17-20 lbs weight range information cali write C PO Box 299 Gonzales Texas 78629 512 672-7023 ceIorto mtfraIfe Anderson Podccts tec Onis certdied checks money ordern accepted Minimom order $12262 three nackages 4 Powerpoles 15360 per package SI 50 stnppng handiingi CT residents add 75% saies tan Pricen nobject change adthout notice DEALER INOUIRIES INVITED ror tarthe information dealer csces send SASE Bosness Card SERMO R/C SNAP CONNECTORS7 Inc Cedar Corners Station Box 16787 Stamford CT 069051203 322-6294 XAFFORDABLE XRADIAL POWER THE MIKE GR6 120 2-CYCLE POWERPLANT 6 CYLINDER RADIAL 90DB QUIET! MEETS AMA GUIDELINES TWO YEAR WARRANTY 6 LIFETIME GUARANTEED K&B 20S * 1ELBSOFTHRUST * 25 BHP DYNO TESTED * NO VIBRATION III * SINGLE NEEDLE VALVE * S STAINLESS BALL BROS * IDLESAT1550RPM * OIL LUBRICATED GEARS * 3/8 HARDENED 55 SHAFT * FULLY FLIGHT TESTED * DIAMETER 8 TO PLUG TIPS * WEIGHT 4 LBS INCLUDING INTEGRAL MOUNT AND MUFFLER * SWINGS 1818 PROP @ 8000 RPM * EXCEEDS QUADRA 35 IN POWER AND ZENOAH G35 IN THRUST * GLOW FUEL USED1S% * GLOW PLUG LEADS INCLUDED * READY TO FLY NOT KITI DEALER INGUIRIES ~e INVITED'14 Om TECHNOLOGIES INC 7 Greenwood Lane ValSalla New YoA 15S9S 914 686-9373 PAT PENDING off stop remainder pattern looks OK possibly flier experiencing little unwanted acceleration some maneuvers Now flier knows hes got problem hell get airplane its back make several changes hes already running hot glow plug such Gb-Devil 300 hell probably pop head off engine add thicker gasket add shim existing lower compression ratio symptom severe hell probably slart 008-in shim expectation could take another 004 desired re sult just suppress symptom because decompressing also taking slight edge away overall power available Another flight two will settle out next thing might observe puzzled look fliers face signals power especially true home field close o sea level contest site significantly higher elevation Air temperature also affects power magnifies altitude factor brief list symptoms loss power would include loss crispness corners square maneuvers loss line tension flying above 450 elevation outer limits Square Eights can get lost power back Its question degree cure needed system atic approach will usually get home quickest first thing try going next largest size venturi Most fliers will normally using venturi bore 295 try 302-in see what does Usually will enough get back edge situation may dictate other moves have larger venturisay 308 might try changing fuel another option could go having high er nitro content using 5% nitro go 10% youre already 10% can go unless youve tried before dont works very well need have experi enced Finally another way extract power 15 gear engine get higher up its torque curve Using thinned-out version baseline prop will give subtle change Go ing less diameter lower pitch will also trick has just survey some ad justments available Yes can make ones just mentioned will get time way sequence events Ive outlined happened Nats Next month well get trimming plane existing conditions Tips Controlling weight future Nats winners never-ending struggle Weve fought battle ship weve built tough areas gets away us color coats finish top fliers have gone unusual methods keep weight down still get nice uniform color example Jimmy Casale Paul Walker use Aerogloss spray cans color because its light weight excellent cov erage Bob Baron still holds mixed media concept epoxy fuselage MonoKote wings However another trick both sim ple consistent normal dope finishing know weight color dope self heart problem true its amount dope rather unit weight must applied obtain nice color affects overall weight very easy way help problem thats add pigment dope make cover better What need acrylic lac quer toner appropriate color Start lit tle less ounce per pint thinned ready-I Washable ed Cap Sunglasses nip up/Down Adjust In/Out Snap On/Off Imprints Available Ultra Violet ProtectedI IPlease send _____________ caps Ive enclosedI I@ $795 plus $2 shipping handlingI ILens Colors U Amber U Smoke blueI Cap Colors U Black U White U Yellow Green U Navy blue U Royal blue Maroon UGrey URedI U Please send intormation about imprinting IIPLCA5E PRINtI II II II II stateZip ________ RETURN WITH CHECK OR MONEY ORDER ONLY TO PIN-NIK SALES RU Box 647 Ravenna OH 44266 L Name Addrtss City SQUARE CUT Tools __ 4073 254-0516 905 N Harbor C ty Blvd Melbourne FL 32935 Dmler/Dutribuer Inquiries Invited F 0 da Ret dents Add 6% Sales Toe can make Quiet. VIBRA-DAMP BEAMS VIBRA-DAMP ALUM TABS HUSH FOAM DISC-LOCKS Send $1 complete brochure order direct PERFORMANCE PRODUCTS UNLIMITED / 7093 E Dodge Rd Mt Morris MI 48458 313 631-4894 VISA/MO May 1990 177 INTRODUCTORY 849 SPECIAL $1695 LIST SEND 5100 TECHNICAL DATA TEST FLOWN IN 72 GM PLASTICS F4U CORSAIR 72 BOB DIVELYS SU-2 BIPLANE 68 PROCTOR NIEUPORT 28 BIPLANE 88 MONOCOUPE RCA yuu oto aj Suutii CUT Tools win sdve time nalliove stubborn die cuts cut own squares slots Made US quality machined nickel plated steel Order set today See Dealer Cataloger Order lit dent carry square Cut Tsols call ter call well pay tar uhippinQ tht US Canadal COO Entra to-spray dope Experiment may have crease amount get right coverage dont get too much additional onehalf ounce Shoot test panel check coverage youve got ballpark two passes spray gun will give nice solid color trying find minimum amount toner achieve solid coverage Just careful Too much toner will leave vulnerable adhesion problems Once get proportions down will consistent color will find pro cedure very easy use works well CL Racing/Ballard Continued page 64 box get wrench screwdriver may needed minor adjustment Larrys flight box generally contains two extra batteries extra set flying wires alcohol clean lines filter-equipped funnel refill ing flight fuel bottle Hot Stuff activator prop wrench least two starting gloves assorted wrenches battery connecting leads adding flying handle various props spare glow plugs very small light weight box can carried ease outer perimeter circle contains enough items allow either test flying full-bore competi tion occasion have seen large tackle boxes actually struck aircraft kicked pitmen dashing around circle service downed aircraft Contest activity Chris Peter sent some pho tos Southwestern Control Line Region als SWCL Tucson AZ January 20-21 1990 Junior Mouse Racers will course pilots future Bobby Fogg San Diego CA first time 529 Dan Gallego San Diego CA second 546 Andrew Viel San Diego CA third 553 will see Juniors 1990 Nats As always solicit comments ideas photos want pass other Racing enthusiasts read column Roger Road Tucson AZ 85705 T&M actu ally Ted Snow Mike Vee can reached 1-602/888-0146 aluminum magnesium mounts can drilled application Besides mounts T&M has superstrong belleranks other accessories impossible find Want interesting catalog Drop line Hobby Enterprises PO Box 784 Fruitland Park FL 34731 addition basic hobby supplies have reissues of vintage classic models plus some items havent market decades Larry Driskill has taken helm MACA Miniature Aircraft Combat Association RMcM newsletter Pete Plunkett did super job during stewardship newsletter moving level quality notches higher Like editors Larry will now faced empty spaces unless us write voice opinions offer suggestions advice keep rest Combat world current whats going own area Larry will also act MACA treasurer send $15 yearly dues 1990 membership Larry Driskill 4916 Chagar Ct Las Cruces NM 88005 Tucson Bob Burch offered lit tle advice making own fullcomplement bearings talked about back January 90 column main point shouldnt mix balls different manufac turers set races ex actly same diameter also mentioned standard practice insert less ball maximum can stuffed races Bob also checking Out Hills Arrowplane closely may switch Bosta wood currently fashionable foamies Bob lost couple kills Tucson meet because wood leading edge didnt snag opponents streamer showed several deep cuts leading edge would have sure kills made foam Although current models fly very well two factors being able increase wing area 100 sq adding weight leading-edge-kill capability considera tions can no longer ignore Dan Rutherford interesting article MACA newsletter about using stock Fox Mk VI parts instead costly often unavail able after-market goodies Properly set up stock parts perform very well long pay attention details like fit timing fuel/prop choice combination youve cho sen runContinued page 182 Eu Stock No DescriptionPriceOty j Amount -I--I zz1 ZZZIIIZZZZZZZIZZi HANDLING CHARGESub Totaluse Check wIth order or73A% Tax TN Only Credit Card order-HandlingI order TOTAL L Iblank COD Order Name Street Address CityStateZip~ call UJMasterCard LiVisa EIAmerExp Exp Date615 Card No flShip CODlilMy Check enclosed $I 178 Model Aviation CL Combat/Johnson Continued page 65 Name Street Address City State Zip
Edition: Model Aviation - 1990/05
Page Numbers: 63, 176, 177, 178
EXCITED prospect some new gadget engine prop youre like easily stirred prospect some new product can use flying building Over last few years weve very lucky favorite CL event have lot dedicated people de velop market variety items help us enjoy sport So time time Ill devote some space column new products just Ted Fancher did over last few years just received letter Tom Dixon already aware has amassed exten sive line engines Bolly props plans ad dition working new owner Merco Engines some new Stunt power plants Tom developing line Nostalgia kits First line Black Tiger Bob Elliott design won 1953 Nats Several kits under construction well revisit area re view after see fly Other kits works 52 Nobler pro totype Skylark second Thunderbird pos sibly Ruffy Im sure production kits will meet Toms high standards Contact Tom 1938 Peachtree Suite 401 Atlanta GA 30309 price availability Sooner later have fly alone just get last flight dictates need mechanical launching device stooge Over years Ive quite few Some have worked well others have its some time since have market Bob Baron noted lack producing very sophisticated stooge has developed over last few years self-contained does require anchoring ground tool box base black oxide-coated steel layered bottom neoprene rubber resist slip ping release mechanism pivots accommo date tail hooks various heights Overall its well-engineered item well made should last lifetime however its cheap Beore carrying discussion begun last month about observing learning experts essential point Id like make extract absolute best performance airplane must capable ofand willing makechanges virtually gredient combination Because worked perfectly home no guarantee setup will work next new flying site Personally Ive found very difficult battle hurdle acquiring willingness change short notice under pressure competition However once have acquir ed capability assembling variety yen turis head gaskets different props selection wing tip weights etc have found through experimentation what adjust ments become another weapon bag Aerobatics its whats up front counts Power reliability right characteris tics whatever may beits up absolutely keys top performance So fly ing site good place begin pro cess getting things sorted out arrive Ill assume everything ballpark before left home brought equipment Youd better cause famed Murphy Laws alive well Stunt May 1990 63 Control Line Aerobatics Frank McMiIIan 12106 Gunter Gmve SanAntonio T 78231 stooge what CL flier uses hold launch plane hes flying alone Most tend pretty crudebut production model Bob Baron Weighing 16 lb sized hold largest 60-powered ships Both its design machine work excellent Bill Suarez did superb job flying ST 60-powered Epoch team trials Indy Californias Bob Whitely Bel-Air de sign 1989 US FAI team trials Power Tom Lay-modified ST 60 smooth flier Just motor racing kind PrecisionContinued page 176 Trio Stunt winners 1989 Japanese Nats has familiar-looking figure middle Kaz Minato job Honda US lets him compete meets NEW BY POPULAR REQUEST LARGE SCALE ENGINE CYLINDERS 4 WRIGHT WHIRLWIND Molded high-impact styrene dummy cylinders feature deep cooling fins utmost realism Both Wasp Whirlwind types cylinders available two different large scales1/5th 2 4th 3 ts include assembly instructions Smaller sizes also offered Note units may modified resemble other cylinder types Send $3 full-color catalog featuring aircraft paintings suitable tor framing WILLIAMS BROTHERS INC DEPT MA - 181 PAWNEE STREET JILLIL~SAN MARCOS CALIFORNIA 92069 Platt reviewed changes new rule book included change CL based original proposal passed Scale Contest Board Regardless error made now have rule could lose contestant 395 points off total score used declared components listed declaration both old new versions Rule 46 depend honesty contestants new rute does provide judges some guide lines tt would appear burden proof would contestant item might questioned couple rules changes t986-87 rules change cycle missed being put t988-89 rule book also missed 1990-91 book follows total score Precision Scale event should 665 points CL Sport Scale Para 42a should state three-view drawing can up maximum size 24 x 36 CL Sport Scale rule 55 should have new paragraph marked f paragraph indicates parts will fly modet cannot added during static judging ie display ordinance ground wheel chocks boarding steps etc Exact wording changes can found page 120 May 88 issue MA AMA Technical Director Bob Underwood aware omissions working toward official publication changes Editors note Unknowt Bill Boss time wrote column Scale items published April 90 edition tite Competition News letter page 134 -RMcM Before leaving discussion rittes would like thank members Scoresheet Com mittee cooperation job well done Committee members Chartie Bauer Mike Welshans Bill Rammage Gerry De neau started whole thing sending scoresheet idea use cotumn pleasure coordinating correspondence being able put two cents worth Thanks again Workshop hints month continue trip through hardware store Bob Furr visit Lumber Nuts Bolts depart ments Lumber DepartmentWing leading edge stock can found Just look quarterround moldings come number sizes smaller sizes add little weight give sig nificant increase strength incorporated D-tube-structured wing Some stores will have outside corner molding shaped like hol lowed leading edge stock Dowet rods sizes / /2 also generally found lumber departments thinner dowels make outstanding reinforcement leading trailing edges heavier dowels can used repairs interplane struts bi planes tail skids assortment other ap plications. Nuts Bolts Screws DepartmentA good hardware store will generalty have variety odd-size nuts bolts screws ex ample Cox 049s use 5-40 bolts retain prop tf have ever bent know hard find replacement hobby shop Without too much looking should able locate 5-40 pan head bolts other commonly used sizes such 4-40 6-32 nuts bolts hardware stores sizes nuts bolts use may found hardware stores should use some caution selection quality some nuts bolts offered generat house hold use may high what available through hobby shop Something past Have ever won dered could get hands plans Kyosho Eureka Scale kits early Sixties Well appears can get plans some old models can obtain plans futl sets tem plates newly formed canopies gun blisters newly produced spring tanding gear wheels similar included originat kits semikits include B-29 B-36 C-46 Commando C-69 Constellation C-124 Otobemaster being provided John Mur phy 29 Cheryl Dr Allenstown NH 03275 tf youre interested Scale models write John details Hell glad supply listing semikits cost Please send comments contest activity reports especially photos CL Scale activity address very top column CL Aerobatics/McMiIIan Continued page 63 Watch some good fliers know put up first practice flights right after arrive contest could see lot different reac tions just limit discussion welt deal few common problems Observe inside outside round loops tisten engine Its very possible weather little coolsay under 800 Fthe en gine may sound like its about lose fire flood 176 Model Aviation 0 RV-3 Deluxe Kit Need Only Join Wing Halves Install Tail Feathers Cover Complete Hardware Package inciuded 86 wingspan G-38 G-62 engine sizes 17-20 lbs weight range information cali write C PO Box 299 Gonzales Texas 78629 512 672-7023 ceIorto mtfraIfe Anderson Podccts tec Onis certdied checks money ordern accepted Minimom order $12262 three nackages 4 Powerpoles 15360 per package SI 50 stnppng handiingi CT residents add 75% saies tan Pricen nobject change adthout notice DEALER INOUIRIES INVITED ror tarthe information dealer csces send SASE Bosness Card SERMO R/C SNAP CONNECTORS7 Inc Cedar Corners Station Box 16787 Stamford CT 069051203 322-6294 XAFFORDABLE XRADIAL POWER THE MIKE GR6 120 2-CYCLE POWERPLANT 6 CYLINDER RADIAL 90DB QUIET! MEETS AMA GUIDELINES TWO YEAR WARRANTY 6 LIFETIME GUARANTEED K&B 20S * 1ELBSOFTHRUST * 25 BHP DYNO TESTED * NO VIBRATION III * SINGLE NEEDLE VALVE * S STAINLESS BALL BROS * IDLESAT1550RPM * OIL LUBRICATED GEARS * 3/8 HARDENED 55 SHAFT * FULLY FLIGHT TESTED * DIAMETER 8 TO PLUG TIPS * WEIGHT 4 LBS INCLUDING INTEGRAL MOUNT AND MUFFLER * SWINGS 1818 PROP @ 8000 RPM * EXCEEDS QUADRA 35 IN POWER AND ZENOAH G35 IN THRUST * GLOW FUEL USED1S% * GLOW PLUG LEADS INCLUDED * READY TO FLY NOT KITI DEALER INGUIRIES ~e INVITED'14 Om TECHNOLOGIES INC 7 Greenwood Lane ValSalla New YoA 15S9S 914 686-9373 PAT PENDING off stop remainder pattern looks OK possibly flier experiencing little unwanted acceleration some maneuvers Now flier knows hes got problem hell get airplane its back make several changes hes already running hot glow plug such Gb-Devil 300 hell probably pop head off engine add thicker gasket add shim existing lower compression ratio symptom severe hell probably slart 008-in shim expectation could take another 004 desired re sult just suppress symptom because decompressing also taking slight edge away overall power available Another flight two will settle out next thing might observe puzzled look fliers face signals power especially true home field close o sea level contest site significantly higher elevation Air temperature also affects power magnifies altitude factor brief list symptoms loss power would include loss crispness corners square maneuvers loss line tension flying above 450 elevation outer limits Square Eights can get lost power back Its question degree cure needed system atic approach will usually get home quickest first thing try going next largest size venturi Most fliers will normally using venturi bore 295 try 302-in see what does Usually will enough get back edge situation may dictate other moves have larger venturisay 308 might try changing fuel another option could go having high er nitro content using 5% nitro go 10% youre already 10% can go unless youve tried before dont works very well need have experi enced Finally another way extract power 15 gear engine get higher up its torque curve Using thinned-out version baseline prop will give subtle change Go ing less diameter lower pitch will also trick has just survey some ad justments available Yes can make ones just mentioned will get time way sequence events Ive outlined happened Nats Next month well get trimming plane existing conditions Tips Controlling weight future Nats winners never-ending struggle Weve fought battle ship weve built tough areas gets away us color coats finish top fliers have gone unusual methods keep weight down still get nice uniform color example Jimmy Casale Paul Walker use Aerogloss spray cans color because its light weight excellent cov erage Bob Baron still holds mixed media concept epoxy fuselage MonoKote wings However another trick both sim ple consistent normal dope finishing know weight color dope self heart problem true its amount dope rather unit weight must applied obtain nice color affects overall weight very easy way help problem thats add pigment dope make cover better What need acrylic lac quer toner appropriate color Start lit tle less ounce per pint thinned ready-I Washable ed Cap Sunglasses nip up/Down Adjust In/Out Snap On/Off Imprints Available Ultra Violet ProtectedI IPlease send _____________ caps Ive enclosedI I@ $795 plus $2 shipping handlingI ILens Colors U Amber U Smoke blueI Cap Colors U Black U White U Yellow Green U Navy blue U Royal blue Maroon UGrey URedI U Please send intormation about imprinting IIPLCA5E PRINtI II II II II stateZip ________ RETURN WITH CHECK OR MONEY ORDER ONLY TO PIN-NIK SALES RU Box 647 Ravenna OH 44266 L Name Addrtss City SQUARE CUT Tools __ 4073 254-0516 905 N Harbor C ty Blvd Melbourne FL 32935 Dmler/Dutribuer Inquiries Invited F 0 da Ret dents Add 6% Sales Toe can make Quiet. VIBRA-DAMP BEAMS VIBRA-DAMP ALUM TABS HUSH FOAM DISC-LOCKS Send $1 complete brochure order direct PERFORMANCE PRODUCTS UNLIMITED / 7093 E Dodge Rd Mt Morris MI 48458 313 631-4894 VISA/MO May 1990 177 INTRODUCTORY 849 SPECIAL $1695 LIST SEND 5100 TECHNICAL DATA TEST FLOWN IN 72 GM PLASTICS F4U CORSAIR 72 BOB DIVELYS SU-2 BIPLANE 68 PROCTOR NIEUPORT 28 BIPLANE 88 MONOCOUPE RCA yuu oto aj Suutii CUT Tools win sdve time nalliove stubborn die cuts cut own squares slots Made US quality machined nickel plated steel Order set today See Dealer Cataloger Order lit dent carry square Cut Tsols call ter call well pay tar uhippinQ tht US Canadal COO Entra to-spray dope Experiment may have crease amount get right coverage dont get too much additional onehalf ounce Shoot test panel check coverage youve got ballpark two passes spray gun will give nice solid color trying find minimum amount toner achieve solid coverage Just careful Too much toner will leave vulnerable adhesion problems Once get proportions down will consistent color will find pro cedure very easy use works well CL Racing/Ballard Continued page 64 box get wrench screwdriver may needed minor adjustment Larrys flight box generally contains two extra batteries extra set flying wires alcohol clean lines filter-equipped funnel refill ing flight fuel bottle Hot Stuff activator prop wrench least two starting gloves assorted wrenches battery connecting leads adding flying handle various props spare glow plugs very small light weight box can carried ease outer perimeter circle contains enough items allow either test flying full-bore competi tion occasion have seen large tackle boxes actually struck aircraft kicked pitmen dashing around circle service downed aircraft Contest activity Chris Peter sent some pho tos Southwestern Control Line Region als SWCL Tucson AZ January 20-21 1990 Junior Mouse Racers will course pilots future Bobby Fogg San Diego CA first time 529 Dan Gallego San Diego CA second 546 Andrew Viel San Diego CA third 553 will see Juniors 1990 Nats As always solicit comments ideas photos want pass other Racing enthusiasts read column Roger Road Tucson AZ 85705 T&M actu ally Ted Snow Mike Vee can reached 1-602/888-0146 aluminum magnesium mounts can drilled application Besides mounts T&M has superstrong belleranks other accessories impossible find Want interesting catalog Drop line Hobby Enterprises PO Box 784 Fruitland Park FL 34731 addition basic hobby supplies have reissues of vintage classic models plus some items havent market decades Larry Driskill has taken helm MACA Miniature Aircraft Combat Association RMcM newsletter Pete Plunkett did super job during stewardship newsletter moving level quality notches higher Like editors Larry will now faced empty spaces unless us write voice opinions offer suggestions advice keep rest Combat world current whats going own area Larry will also act MACA treasurer send $15 yearly dues 1990 membership Larry Driskill 4916 Chagar Ct Las Cruces NM 88005 Tucson Bob Burch offered lit tle advice making own fullcomplement bearings talked about back January 90 column main point shouldnt mix balls different manufac turers set races ex actly same diameter also mentioned standard practice insert less ball maximum can stuffed races Bob also checking Out Hills Arrowplane closely may switch Bosta wood currently fashionable foamies Bob lost couple kills Tucson meet because wood leading edge didnt snag opponents streamer showed several deep cuts leading edge would have sure kills made foam Although current models fly very well two factors being able increase wing area 100 sq adding weight leading-edge-kill capability considera tions can no longer ignore Dan Rutherford interesting article MACA newsletter about using stock Fox Mk VI parts instead costly often unavail able after-market goodies Properly set up stock parts perform very well long pay attention details like fit timing fuel/prop choice combination youve cho sen runContinued page 182 Eu Stock No DescriptionPriceOty j Amount -I--I zz1 ZZZIIIZZZZZZZIZZi HANDLING CHARGESub Totaluse Check wIth order or73A% Tax TN Only Credit Card order-HandlingI order TOTAL L Iblank COD Order Name Street Address CityStateZip~ call UJMasterCard LiVisa EIAmerExp Exp Date615 Card No flShip CODlilMy Check enclosed $I 178 Model Aviation CL Combat/Johnson Continued page 65 Name Street Address City State Zip
Edition: Model Aviation - 1990/05
Page Numbers: 63, 176, 177, 178
EXCITED prospect some new gadget engine prop youre like easily stirred prospect some new product can use flying building Over last few years weve very lucky favorite CL event have lot dedicated people de velop market variety items help us enjoy sport So time time Ill devote some space column new products just Ted Fancher did over last few years just received letter Tom Dixon already aware has amassed exten sive line engines Bolly props plans ad dition working new owner Merco Engines some new Stunt power plants Tom developing line Nostalgia kits First line Black Tiger Bob Elliott design won 1953 Nats Several kits under construction well revisit area re view after see fly Other kits works 52 Nobler pro totype Skylark second Thunderbird pos sibly Ruffy Im sure production kits will meet Toms high standards Contact Tom 1938 Peachtree Suite 401 Atlanta GA 30309 price availability Sooner later have fly alone just get last flight dictates need mechanical launching device stooge Over years Ive quite few Some have worked well others have its some time since have market Bob Baron noted lack producing very sophisticated stooge has developed over last few years self-contained does require anchoring ground tool box base black oxide-coated steel layered bottom neoprene rubber resist slip ping release mechanism pivots accommo date tail hooks various heights Overall its well-engineered item well made should last lifetime however its cheap Beore carrying discussion begun last month about observing learning experts essential point Id like make extract absolute best performance airplane must capable ofand willing makechanges virtually gredient combination Because worked perfectly home no guarantee setup will work next new flying site Personally Ive found very difficult battle hurdle acquiring willingness change short notice under pressure competition However once have acquir ed capability assembling variety yen turis head gaskets different props selection wing tip weights etc have found through experimentation what adjust ments become another weapon bag Aerobatics its whats up front counts Power reliability right characteris tics whatever may beits up absolutely keys top performance So fly ing site good place begin pro cess getting things sorted out arrive Ill assume everything ballpark before left home brought equipment Youd better cause famed Murphy Laws alive well Stunt May 1990 63 Control Line Aerobatics Frank McMiIIan 12106 Gunter Gmve SanAntonio T 78231 stooge what CL flier uses hold launch plane hes flying alone Most tend pretty crudebut production model Bob Baron Weighing 16 lb sized hold largest 60-powered ships Both its design machine work excellent Bill Suarez did superb job flying ST 60-powered Epoch team trials Indy Californias Bob Whitely Bel-Air de sign 1989 US FAI team trials Power Tom Lay-modified ST 60 smooth flier Just motor racing kind PrecisionContinued page 176 Trio Stunt winners 1989 Japanese Nats has familiar-looking figure middle Kaz Minato job Honda US lets him compete meets NEW BY POPULAR REQUEST LARGE SCALE ENGINE CYLINDERS 4 WRIGHT WHIRLWIND Molded high-impact styrene dummy cylinders feature deep cooling fins utmost realism Both Wasp Whirlwind types cylinders available two different large scales1/5th 2 4th 3 ts include assembly instructions Smaller sizes also offered Note units may modified resemble other cylinder types Send $3 full-color catalog featuring aircraft paintings suitable tor framing WILLIAMS BROTHERS INC DEPT MA - 181 PAWNEE STREET JILLIL~SAN MARCOS CALIFORNIA 92069 Platt reviewed changes new rule book included change CL based original proposal passed Scale Contest Board Regardless error made now have rule could lose contestant 395 points off total score used declared components listed declaration both old new versions Rule 46 depend honesty contestants new rute does provide judges some guide lines tt would appear burden proof would contestant item might questioned couple rules changes t986-87 rules change cycle missed being put t988-89 rule book also missed 1990-91 book follows total score Precision Scale event should 665 points CL Sport Scale Para 42a should state three-view drawing can up maximum size 24 x 36 CL Sport Scale rule 55 should have new paragraph marked f paragraph indicates parts will fly modet cannot added during static judging ie display ordinance ground wheel chocks boarding steps etc Exact wording changes can found page 120 May 88 issue MA AMA Technical Director Bob Underwood aware omissions working toward official publication changes Editors note Unknowt Bill Boss time wrote column Scale items published April 90 edition tite Competition News letter page 134 -RMcM Before leaving discussion rittes would like thank members Scoresheet Com mittee cooperation job well done Committee members Chartie Bauer Mike Welshans Bill Rammage Gerry De neau started whole thing sending scoresheet idea use cotumn pleasure coordinating correspondence being able put two cents worth Thanks again Workshop hints month continue trip through hardware store Bob Furr visit Lumber Nuts Bolts depart ments Lumber DepartmentWing leading edge stock can found Just look quarterround moldings come number sizes smaller sizes add little weight give sig nificant increase strength incorporated D-tube-structured wing Some stores will have outside corner molding shaped like hol lowed leading edge stock Dowet rods sizes / /2 also generally found lumber departments thinner dowels make outstanding reinforcement leading trailing edges heavier dowels can used repairs interplane struts bi planes tail skids assortment other ap plications. Nuts Bolts Screws DepartmentA good hardware store will generalty have variety odd-size nuts bolts screws ex ample Cox 049s use 5-40 bolts retain prop tf have ever bent know hard find replacement hobby shop Without too much looking should able locate 5-40 pan head bolts other commonly used sizes such 4-40 6-32 nuts bolts hardware stores sizes nuts bolts use may found hardware stores should use some caution selection quality some nuts bolts offered generat house hold use may high what available through hobby shop Something past Have ever won dered could get hands plans Kyosho Eureka Scale kits early Sixties Well appears can get plans some old models can obtain plans futl sets tem plates newly formed canopies gun blisters newly produced spring tanding gear wheels similar included originat kits semikits include B-29 B-36 C-46 Commando C-69 Constellation C-124 Otobemaster being provided John Mur phy 29 Cheryl Dr Allenstown NH 03275 tf youre interested Scale models write John details Hell glad supply listing semikits cost Please send comments contest activity reports especially photos CL Scale activity address very top column CL Aerobatics/McMiIIan Continued page 63 Watch some good fliers know put up first practice flights right after arrive contest could see lot different reac tions just limit discussion welt deal few common problems Observe inside outside round loops tisten engine Its very possible weather little coolsay under 800 Fthe en gine may sound like its about lose fire flood 176 Model Aviation 0 RV-3 Deluxe Kit Need Only Join Wing Halves Install Tail Feathers Cover Complete Hardware Package inciuded 86 wingspan G-38 G-62 engine sizes 17-20 lbs weight range information cali write C PO Box 299 Gonzales Texas 78629 512 672-7023 ceIorto mtfraIfe Anderson Podccts tec Onis certdied checks money ordern accepted Minimom order $12262 three nackages 4 Powerpoles 15360 per package SI 50 stnppng handiingi CT residents add 75% saies tan Pricen nobject change adthout notice DEALER INOUIRIES INVITED ror tarthe information dealer csces send SASE Bosness Card SERMO R/C SNAP CONNECTORS7 Inc Cedar Corners Station Box 16787 Stamford CT 069051203 322-6294 XAFFORDABLE XRADIAL POWER THE MIKE GR6 120 2-CYCLE POWERPLANT 6 CYLINDER RADIAL 90DB QUIET! MEETS AMA GUIDELINES TWO YEAR WARRANTY 6 LIFETIME GUARANTEED K&B 20S * 1ELBSOFTHRUST * 25 BHP DYNO TESTED * NO VIBRATION III * SINGLE NEEDLE VALVE * S STAINLESS BALL BROS * IDLESAT1550RPM * OIL LUBRICATED GEARS * 3/8 HARDENED 55 SHAFT * FULLY FLIGHT TESTED * DIAMETER 8 TO PLUG TIPS * WEIGHT 4 LBS INCLUDING INTEGRAL MOUNT AND MUFFLER * SWINGS 1818 PROP @ 8000 RPM * EXCEEDS QUADRA 35 IN POWER AND ZENOAH G35 IN THRUST * GLOW FUEL USED1S% * GLOW PLUG LEADS INCLUDED * READY TO FLY NOT KITI DEALER INGUIRIES ~e INVITED'14 Om TECHNOLOGIES INC 7 Greenwood Lane ValSalla New YoA 15S9S 914 686-9373 PAT PENDING off stop remainder pattern looks OK possibly flier experiencing little unwanted acceleration some maneuvers Now flier knows hes got problem hell get airplane its back make several changes hes already running hot glow plug such Gb-Devil 300 hell probably pop head off engine add thicker gasket add shim existing lower compression ratio symptom severe hell probably slart 008-in shim expectation could take another 004 desired re sult just suppress symptom because decompressing also taking slight edge away overall power available Another flight two will settle out next thing might observe puzzled look fliers face signals power especially true home field close o sea level contest site significantly higher elevation Air temperature also affects power magnifies altitude factor brief list symptoms loss power would include loss crispness corners square maneuvers loss line tension flying above 450 elevation outer limits Square Eights can get lost power back Its question degree cure needed system atic approach will usually get home quickest first thing try going next largest size venturi Most fliers will normally using venturi bore 295 try 302-in see what does Usually will enough get back edge situation may dictate other moves have larger venturisay 308 might try changing fuel another option could go having high er nitro content using 5% nitro go 10% youre already 10% can go unless youve tried before dont works very well need have experi enced Finally another way extract power 15 gear engine get higher up its torque curve Using thinned-out version baseline prop will give subtle change Go ing less diameter lower pitch will also trick has just survey some ad justments available Yes can make ones just mentioned will get time way sequence events Ive outlined happened Nats Next month well get trimming plane existing conditions Tips Controlling weight future Nats winners never-ending struggle Weve fought battle ship weve built tough areas gets away us color coats finish top fliers have gone unusual methods keep weight down still get nice uniform color example Jimmy Casale Paul Walker use Aerogloss spray cans color because its light weight excellent cov erage Bob Baron still holds mixed media concept epoxy fuselage MonoKote wings However another trick both sim ple consistent normal dope finishing know weight color dope self heart problem true its amount dope rather unit weight must applied obtain nice color affects overall weight very easy way help problem thats add pigment dope make cover better What need acrylic lac quer toner appropriate color Start lit tle less ounce per pint thinned ready-I Washable ed Cap Sunglasses nip up/Down Adjust In/Out Snap On/Off Imprints Available Ultra Violet ProtectedI IPlease send _____________ caps Ive enclosedI I@ $795 plus $2 shipping handlingI ILens Colors U Amber U Smoke blueI Cap Colors U Black U White U Yellow Green U Navy blue U Royal blue Maroon UGrey URedI U Please send intormation about imprinting IIPLCA5E PRINtI II II II II stateZip ________ RETURN WITH CHECK OR MONEY ORDER ONLY TO PIN-NIK SALES RU Box 647 Ravenna OH 44266 L Name Addrtss City SQUARE CUT Tools __ 4073 254-0516 905 N Harbor C ty Blvd Melbourne FL 32935 Dmler/Dutribuer Inquiries Invited F 0 da Ret dents Add 6% Sales Toe can make Quiet. VIBRA-DAMP BEAMS VIBRA-DAMP ALUM TABS HUSH FOAM DISC-LOCKS Send $1 complete brochure order direct PERFORMANCE PRODUCTS UNLIMITED / 7093 E Dodge Rd Mt Morris MI 48458 313 631-4894 VISA/MO May 1990 177 INTRODUCTORY 849 SPECIAL $1695 LIST SEND 5100 TECHNICAL DATA TEST FLOWN IN 72 GM PLASTICS F4U CORSAIR 72 BOB DIVELYS SU-2 BIPLANE 68 PROCTOR NIEUPORT 28 BIPLANE 88 MONOCOUPE RCA yuu oto aj Suutii CUT Tools win sdve time nalliove stubborn die cuts cut own squares slots Made US quality machined nickel plated steel Order set today See Dealer Cataloger Order lit dent carry square Cut Tsols call ter call well pay tar uhippinQ tht US Canadal COO Entra to-spray dope Experiment may have crease amount get right coverage dont get too much additional onehalf ounce Shoot test panel check coverage youve got ballpark two passes spray gun will give nice solid color trying find minimum amount toner achieve solid coverage Just careful Too much toner will leave vulnerable adhesion problems Once get proportions down will consistent color will find pro cedure very easy use works well CL Racing/Ballard Continued page 64 box get wrench screwdriver may needed minor adjustment Larrys flight box generally contains two extra batteries extra set flying wires alcohol clean lines filter-equipped funnel refill ing flight fuel bottle Hot Stuff activator prop wrench least two starting gloves assorted wrenches battery connecting leads adding flying handle various props spare glow plugs very small light weight box can carried ease outer perimeter circle contains enough items allow either test flying full-bore competi tion occasion have seen large tackle boxes actually struck aircraft kicked pitmen dashing around circle service downed aircraft Contest activity Chris Peter sent some pho tos Southwestern Control Line Region als SWCL Tucson AZ January 20-21 1990 Junior Mouse Racers will course pilots future Bobby Fogg San Diego CA first time 529 Dan Gallego San Diego CA second 546 Andrew Viel San Diego CA third 553 will see Juniors 1990 Nats As always solicit comments ideas photos want pass other Racing enthusiasts read column Roger Road Tucson AZ 85705 T&M actu ally Ted Snow Mike Vee can reached 1-602/888-0146 aluminum magnesium mounts can drilled application Besides mounts T&M has superstrong belleranks other accessories impossible find Want interesting catalog Drop line Hobby Enterprises PO Box 784 Fruitland Park FL 34731 addition basic hobby supplies have reissues of vintage classic models plus some items havent market decades Larry Driskill has taken helm MACA Miniature Aircraft Combat Association RMcM newsletter Pete Plunkett did super job during stewardship newsletter moving level quality notches higher Like editors Larry will now faced empty spaces unless us write voice opinions offer suggestions advice keep rest Combat world current whats going own area Larry will also act MACA treasurer send $15 yearly dues 1990 membership Larry Driskill 4916 Chagar Ct Las Cruces NM 88005 Tucson Bob Burch offered lit tle advice making own fullcomplement bearings talked about back January 90 column main point shouldnt mix balls different manufac turers set races ex actly same diameter also mentioned standard practice insert less ball maximum can stuffed races Bob also checking Out Hills Arrowplane closely may switch Bosta wood currently fashionable foamies Bob lost couple kills Tucson meet because wood leading edge didnt snag opponents streamer showed several deep cuts leading edge would have sure kills made foam Although current models fly very well two factors being able increase wing area 100 sq adding weight leading-edge-kill capability considera tions can no longer ignore Dan Rutherford interesting article MACA newsletter about using stock Fox Mk VI parts instead costly often unavail able after-market goodies Properly set up stock parts perform very well long pay attention details like fit timing fuel/prop choice combination youve cho sen runContinued page 182 Eu Stock No DescriptionPriceOty j Amount -I--I zz1 ZZZIIIZZZZZZZIZZi HANDLING CHARGESub Totaluse Check wIth order or73A% Tax TN Only Credit Card order-HandlingI order TOTAL L Iblank COD Order Name Street Address CityStateZip~ call UJMasterCard LiVisa EIAmerExp Exp Date615 Card No flShip CODlilMy Check enclosed $I 178 Model Aviation CL Combat/Johnson Continued page 65 Name Street Address City State Zip